Multiply x by four and add 1 to get y. 10 times 4 plus 1 is 41, 5 times 4 plus one is 21, 25 times 4 plus 1 is 101.
Answer:
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To find how much they bought each book for, you must divide by 10. 74 divided by 10 is 7.4. Then if they are selling them for 20% more, then multiply 7.4 and 1.2
Your answer is $8.80
Solve by elimination:
S = shirt
T= tie
3s+5t=60
2s+3t=39
=
Shirt = 15
Tie = 3
0 because you never included how many pages there were total